Stamens opposite to the sepals. Stigma entire. Seeds with a leathery testa and long radicle. Leaflets lanceolate oblong or elliptical, entire. Flowers in panicles.--Species 1. Mascarene Islands. It yields timber, edible fruits, and medicaments. (Under _Hippobromus_ Eckl. & Zeyh. or _Melicocca_ L.) =Doratoxylon= Thouars SUBORDER MELIANTHINEAE FAMILY 135. MELIANTHACEAE Trees or shrubs. Leaves alternate, unequally pinnate or simple and undivided. Flowers in racemes, more or less irregular, hermaphrodite. Sepals 4-5, free or united at the base, imbricate in bud. Petals 4-5, imbricate in bud, sometimes cohering in the middle. Stamens 4-10, inserted within the disc. Anthers opening lengthwise by lateral slits. Ovary superior, 4-5-celled. Style simple; stigma entire or lobed. Fruit a capsule. Seeds with a straight embryo and copious albumen.--Genera 3, species 30. (Under _SAPINDACEAE_) (Plate 86.). 1. Leaves simple, undivided, exstipulate. Flowers almost regular. Disc equal-sided, with 10 processes. Petals sessile. Stamens 10. Ovary 5-celled, with numerous ovules in each cell. Capsule septicidal.--Species 3. South Africa. [Tribe GREYIEAE.] =Greyia= Hook. & Harv. Leaves pinnate, stipulate. Flowers more or less irregular. Disc one-sided. Petals clawed. Stamens 4-5. Ovary usually 4-celled. Ovules 1-12 in each cell. Capsule loculicidal. [Tribe MELIANTHEAE.] 2 2. Sepals very unequal. Petals 4, rarely 5, cohering in the middle, shorter than the sepals. Disc pouch-shaped. Stamens 4. Ovules 4-12 in each ovary-cell. Seeds without an aril.--Species 5. South Africa; one species also naturalized in the Canary Islands. The latter serves as an ornamental plant and is said to render honey poisonous. =Melianthus= L. Sepals nearly equal. Petals 5, free, longer than the sepals. Disc semi-orbicular. Ovules solitary in each ovary-cell. Seeds with an aril.--Species 20. Central and South-east Africa. (Including _Natalia_ Hochst.) (Plate 86.) =Bersama= Fres. [Illustration: BALSAMINACEAE. _FLOW. PL. AFR._ _Pl. 87._ J. Fleischmann del. Impatiens capensis Thunb. _A_ Flowering branch. _B_ Flower cut lengthwise. _C_ Ovary cut lengthwise. _D_ Fruit. _E_ Seed cut lengthwise.] [Illustration: RHAMNACEAE. _FLOW. PL. AFR._ _Pl. 88._ J. Fleischmann del. Ventilago leiocarpa Benth. _A_ Flowering branch. _B_ Flower cut lengthwise. _C_ Sepal. _D_ Petal expanded. _E_ Younger and older stamen. _F_ Fruit. _G_ Lower part of the fruit cut open.] SUBORDER BALSAMININEAE FAMILY 136. BALSAMINACEAE